Flexible Engine Network concepts
This article presents some diagrams to explain two major FE network services (Virtual Private Cloud & Direct Connect). It also proposes some best practices regarding VPC transit network design and DMZ network design using firewall appliances.
Virtual Private Cloud (VPC)
VPC online documentation: FE Help Center
![](https://cloud.orange-business.com/wp-content/uploads/2023/06/FE-VPC-VPC.drawio-1024x458.png)
VPCs inside domains, regions and projects:
![](https://cloud.orange-business.com/wp-content/uploads/2023/10/FE-VPC-Domain-region-AZ-project-VPC.drawio-972x1024.png)
Direct connect
Direct Connect Product description: Cloud Store
Direct Connect online documentation: FE Help Center
Hosted Direct Connect Galerie Business VPN
![](https://cloud.orange-business.com/wp-content/uploads/2021/08/FE-Direct-Connect-DC-Galerie-BVPN.png)
Hosted Direct Connect Galerie Business VPN (Premium): User guide
Business VPN Galery offer: Product page
Business VPN offer: Product page
Hosted Direct Connect ECX (Equinix Cloud Exchange/ Equinix Fabric)
![](https://cloud.orange-business.com/wp-content/uploads/2021/08/FE-Direct-Connect-DC-ECX.png)
FE Hosted Direct Connect ECX (Legacy): User guide
FE Hosted Direct Connect ECX (Premium): coming soon
Equinix Cloud Exchange / Equinix Fabric offer: Product Page
Equinix Cloud Exchange / Equinix Fabric offer : User guide
Standard Direct Connect (Dedicated ports)
Redundancy from 1 location (PA3)
![](https://cloud.orange-business.com/wp-content/uploads/2023/10/FE-Direct-Connect-DC-Dedicated-ports-bis.drawio.png)
Redundancy from 2 locations (PA3 + PA4)
![](https://cloud.orange-business.com/wp-content/uploads/2023/10/FE-Direct-Connect-DC-Dedicated-ports.drawio.png)
Single connection with multiple VLAN
![](https://cloud.orange-business.com/wp-content/uploads/2023/10/FE-Direct-Connect-DC-Dedicated-ports-ter.drawio-1.png)
FE Standard Direct Connect (Premium): User guide
Equinix Cross Connect offer: Product page
Equinix Cross Connect offer: User guide
Equinix Metro Connect offer: Product page
Equinix Metro Connect offer: User guide
Transit VPC
1 Direct Connect 1 VPC
![](https://cloud.orange-business.com/wp-content/uploads/2021/08/FE-Direct-Connect-Direct-Connect-1-VPC.png)
1 Direct Connect 2 VPC
![Flexible Engine direct connect, 1 direct connect with 2 VPC](https://cloud.orange-business.com/wp-content/uploads/2021/08/FE-Direct-Connect-Direct-Connect-2-VPC-bis.png)
2 Direct Connect 1 VPC
![](https://cloud.orange-business.com/wp-content/uploads/2021/08/FE-Direct-Connect-2-Direct-Connect-1-VPC-1024x478.png)
2 Direct Connect 2 VPC
![](https://cloud.orange-business.com/wp-content/uploads/2021/08/FE-Direct-Connect-2-Direct-Connect-2-VPC-1024x479.png)
Firewall Appliances
Example DMZ network design using virtual firewall and custom route table:
![](https://cloud.orange-business.com/wp-content/uploads/2021/08/CPE-FE-BVPN-FW-DMZ-IPsec-VPN-SSL-993x1024.png)